Mazda 3 Owners Manual: Fuel and Engine Exhaust Precautions
Fuel Requirements
Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED
FUEL,
which will reduce exhaust emissions and keep spark plug fouling to a minimum.
This vehicle will perform best wit ...
Other materials:
Heated Oxygen Sensor (HO2 S) Inspection [Mzr 2.0, Mzr 2.5]
HO2S Inspection
1. Connect the M-MDS to the DLC-2.
2. Switch the ignition to ON.
3. Warm up the engine to normal operating temperature.
4. Access the following PIDs using the M-MDS..
VSS (Vehicle speed)
RPM (Engine speed)
O2S12 (HO2S output voltage)
5. Drive ...
High Mount Brake Light Disassembly/Assembly
4SD
1. Disconnect the negative battery cable..
2. Remove the trunk lid trim..
3. Remove the high-mount brake light..
4. Remove the high-mount brake light outer lens.
5. Remove the high-mount brake light inner lens.
6. Remove the screws (with advanced keyless entry and push button ...
Canister Vent (Cv) Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]
Except for Mexico
Airflow inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the CV solenoid valve..
4. Inspect airflow between the ports under the following conditions.
Measured condition
Continuity between A ...
